Shawarma blocks requested Tunisia

would you please provide us with your best price offer in Ex-works for both kinds of dôner tubes, say, with interior and exterior food-grade coating, and with only one exterior food-grade coating destined to the making of "Dôner kebab blocks" used by roasters of red and white meats, in accordance with the following specs:

1/
- Inner Diameter : 17mm
- Thickness : 2,5mm
- Lengths : 400mm and 450mm

2/
- Inner Diameter : 25mm
- Thickness : 3mm
- Length : 450mm